Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.82,
    "seller_misidentification_probability": 0.02,
    "estimated_era": "modern (2000s+), non-Coach",
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is a novelty dog-shaped silhouette, not a recognizable vintage Coach handbag model.",
        "photo 1: The product graphic explicitly identifies the material as PU, which is inconsistent with the glove-tanned leather construction expected of most vintage Coach classics.",
        "photo 1: No Coach wordmark, horse-and-carriage logo, creed patch, serial\/style number, or hangtag is visible.",
        "photo 1: The strap appears to be woven textile with a small gold-tone buckle rather than a typical vintage Coach leather strap and brass hardware arrangement.",
        "photo 1: The seller identifies the item as unbranded, and the listing title identifies it as a PU novelty bag."
    ],
    "missing_information": [
        "photo 1: Interior, lining, closure, and any interior label are not shown.",
        "photo 1: No close-up of hardware or strap attachment points is provided.",
        "photo 1: No bottom, side, or back construction detail beyond the front product image is provided."
    ],
    "authenticity_concerns": [
        "photo 1: PU construction and novelty dog-shaped design are inconsistent with a vintage Coach leather handbag.",
        "photo 1: No brand identifiers are visible to support Coach manufacture."
    ],
    "observed_features": {
        "creed_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number_present": false,
        "serial_or_style_number": "not_visible",
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "hardware_description": "photo 1: Small gold-tone rectangular buckle on a waist-like strap; no Coach-typical turnlock is visible.",
        "leather_description": "photo 1: Smooth synthetic-looking PU material; seller's product graphic states PU.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Woven striped textile crossbody strap with dark leather or synthetic attachment sections visible near the bag.",
        "stitching_description": "photo 1: Perimeter stitching is visible and appears generally even; construction details are limited by the product-photo format."
    },
    "possible_model_reasoning": [
        "photo 1: The dog-shaped novelty silhouette does not match the Coach model catalog, so no Coach model is proposed.",
        "photo 1: Product graphic states 16 cm width, 30 cm height, 4 cm bottom thickness and PU material, supporting a modern mass-market novelty bag rather than a vintage Coach piece.",
        "photo 1: Condition appears new or showroom-presented in the product image, but interior condition and actual seller-held condition cannot be verified."
    ],
    "confidence": 0.93,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18094,
            "output_tokens": 827,
            "total_tokens": 18921,
            "estimated_cost_usd": 0.009222
        }
    ]
}